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lys-0071 [83]
3 years ago
8

The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. What is the

resulting possible error in the volume of the cylinder? Include units in your answer
Mathematics
1 answer:
GenaCL600 [577]3 years ago
4 0

Answer:

Possible error in the volume of the cylinder is ±8π inch³.

Step-by-step explanation:

We have, a right circular cylinder with radius, r = 4 inches and height, h = 10 inches.

As, the volume of a cylinder = \pi r^{2} h

So, volume of the given cylinder, V = 10\pi r^{2}

Then, \frac{dV}{dr}=20\pi r i.e. dV=(20\pi r)dr,

where dV and dr represents the possible change (or error) in volume and radius of the cylinder respectively.

As, we have,

r = 4 inches and dr = ±0.1 inch.

Substituting the values, we get,

dV=(20\pi r)dr

⇒  dV=20\pi 4\times \pm 0.1

⇒  dV=80\pi \times \pm 0.1

⇒  dV=\pm 8\pi inch³

Hence, the possible error in the volume of the cylinder is ±8π inch³.

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